Solve the problem.When Paula set off to drive to her friend's house, the odometer read 6,727.6 miles. When she arrived at her friend's house, the odometer read 6,966.8 miles. How far had she driven?
A. 240.2 mi
B. 249.2 mi
C. 239.2 mi
D. 239.3 mi
Answer: C
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Solve the problems.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 37 questions correct. What was the percent of increase?
A. 32.4% B. 12% C. 48% D. 52%
Solve the problem.Find the volume V of a sphere of diameter 7 cm. Use 3.14 for ?. If necessary, round the result to the nearest tenth.
A. V = 101 cm3 B. V = 1436 cm3 C. V = 179.5 cm3 D. V = 51.3 cm3
Decompose into partial fractions.
A. 2x - 9 + 
- 
B. 2x - 9 - 
+ 
C. 2x + 9 - 
+ 
D. 2x + 5 - 
+ 
Solve the system of linear equations. If the system has infinitely many solutions, describe the solution with an ordered triple in terms of variable z.x + y + z=92x - 3y + 4z=7x - 4y + 3z=-2
A. 
B. 
C. 
D. 